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Create table xs_jsj as select * from xs where zym=’¼ÆËã»ú’;
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-- Create table
create table DEPT
(
DEPTNO NUMBER(2) not null,
DNAME VARCHAR2(14),
LOC VARCHAR2(13)
)
tablespace USERS
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1 create or replace function getname(sno varchar2 )
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IsNull ( check_expression , replacement_expression )
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Exam Number/Code : 1z0-047
Exam Name : Oracle Database SQL Expert
Questions and Answers : 278 Q&As
Update Time: 2010-04-15
1. Which two statements are true regarding the execution of the correlated subqueries? (Choose two.)
A. The nested query executes after the outer query returns th ......